upgrade calc

1x1

1x1: 1x1 F:
Twig 250
wood 1000
stone 1500
metal 1000
hqm 126

1x2

1x1 F: 1x1 F:
Twig 425
wood 1700
stone 2550
metal 1700
hqm 214

2x2

1x1 F: 1x1 F:
Twig 675
wood 2700
stone 4050
metal 2700
hqm 340

airlock

1x1 F: 1x1 F:
Twig 158
wood 530
stone 795
metal 530
hqm 68

Calculator

wood 0
stone 0
metal 0
hqm 0